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带切割环弹体斜侵彻钢靶行为的数值模拟

DOI: 10.11858/gywlxb.2013.06.007, PP. 833-838

Keywords: 弹体,斜侵彻,切割,数值模拟

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Abstract:

侵彻靶板的行为对于半穿甲战斗部性能的发挥非常重要,利用LS-DYNA对带切割环球形弹体斜侵彻钢靶的行为进行了数值模拟。分别在跳弹临界角、靶板孔径、穿靶前弹体在靶板上的滑行距离及穿靶后弹体的剩余速度方面,对比分析了该新构型弹体与常规弹体的性能,数值模拟结果与实验结果吻合较好。研究发现,切割环在防跳弹方面的贡献并不明显,但带切割环弹体的穿孔尺寸远大于常规球形弹体。在斜侵彻钢靶的过程中,切割环使弹体的偏转及攻角出现了不同程度的变化。提出了一种半切割环弹体构型并进行了对比分析,结果表明,半切割环使弹体的防跳弹性能得到提升。

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